AIRCAP 1™
Hot Tub Cover Cleaning Guide
Proper cleaning helps extend the life of your AIRCAP 1™ hot tub cover and keeps it looking its best. Follow the steps below for safe, effective care.

Recommended cleaning products
- 303 Protectant — cleans and protects against UV damage and fading.
- Star‑brite RIB Inflatable PVC Cleaner — formulated for PVC and vinyl surfaces.
- Non-abrasive dish soap and water — a gentle, everyday alternative.
Important: always use a soft, non-abrasive scrub brush with any of these cleaners. Abrasive brushes, scouring pads and stiff bristles can scratch or damage the cover's surface.
Step-by-step cleaning instructions
- Remove debris. Before applying any cleaner, rinse the cover with a hose or wipe away loose dirt, leaves and debris.
- Choose your cleaner. Select one of the recommended products above based on what you have on hand and the level of cleaning or protection needed.
- Apply the cleaner. If using 303 Protectant or Star‑brite RIB Cleaner, apply according to the product label instructions. If using dish soap, mix a small amount with warm water to create a mild, sudsy solution.
- Scrub gently. Using a soft, non-abrasive scrub brush, gently work the cleaner across the surface of the cover in small sections. Avoid excessive pressure.
- Rinse thoroughly. Rinse the cover completely with clean water to remove all soap or cleaner residue.
- Dry the cover. Allow the cover to air dry fully before closing it back over the hot tub, or wipe it down with a soft, clean towel.
- Apply protectant (optional but recommended). If you didn't use 303 Protectant as your primary cleaner, consider applying it as a final step to help guard against sun exposure and material breakdown.
Additional tips
- Clean your cover regularly to prevent dirt and grime building up.
- Avoid harsh chemical cleaners, bleach or solvents — these can damage the cover material.
- Pressure washing is not recommended. It can force water into the seams or damage the outer shell.
- Where possible, keep the cover out of prolonged direct sunlight when it is off the spa, to reduce UV wear.
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Six sizes for 77″–94″ square spas — about the AIRCAP · safety & ASTM F1346-23